No-Hub Cast Iron Soil Pipe 6-inch
A 6-inch no-hub cast iron soil pipe joined with stainless steel clamps and neoprene gaskets for underground and vertical drainage applications. Classified under HTS 7303.00.00.30 due to its specific design for soil, waste, and vent (DWV) systems in commercial plumbing. No-hub design offers flexibility and corrosion resistance.
Import Duty Rates by Country of Origin
| Origin Country | MFN Rate | Ch.99 Surcharges | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | +35.0% | 35% |
| 🇲🇽Mexico | Free | +10.0% | 10% |
| 🇨🇦Canada | Free | +10.0% | 10% |
| 🇩🇪Germany | Free | +10.0% | 10% |
| 🇯🇵Japan | Free | +10.0% | 10% |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If for non-DWV applications like storm drainage
Pipes without specific soil pipe design features default to other cast iron pipes category.
If imported in bulk as unfinished cast iron castings
Unmachined cast iron articles before pipe forming classify under other cast iron articles.
If made primarily of refractory cast iron for high-heat drains
Refractory cast iron pipes for extreme temperature drainage fall under Chapter 69 ceramics/refractories.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• Provide CISPI 301 certification proving compliance with no-hub coupling standards required by US building codes
• Label shipments clearly as 'no-hub soil pipe per ASTM A888' to prevent confusion with pressure pipes
• Check for tariff preference eligibility under USMCA if originating from Canada or Mexico
Related Products under HTS 7303.00.00.30
Cast Iron Hub and Spigot Soil Pipe 4-inch
A 4-inch diameter cast iron pipe with hub and spigot joints designed specifically for soil and waste drainage systems in buildings. It falls under HTS 7303.00.00.30 as a cast iron soil pipe used for conveying sewage and wastewater vertically through plumbing stacks. The hub-and-spigot connection allows for easy assembly with leaded joints.
Cast Iron Soil Stack Pipe 3-inch
3-inch diameter cast iron pipe engineered for vertical soil stacks in multi-story buildings to carry waste from plumbing fixtures to sewers. HTS 7303.00.00.30 applies as it's a specialized soil pipe with thick walls for structural support and durability. Typically features hubless or hub-and-spigot ends.
Heavy Duty Cast Iron Drain Waste Vent Pipe 5-inch
5-inch heavy wall cast iron pipe for drain, waste, and vent (DWV) systems handling high-volume wastewater in industrial facilities. Falls under HTS 7303.00.00.30 as dedicated soil pipe with superior sound deadening and fire resistance properties. Meets stringent ASTM A888 specifications.
ASTM A74 Hubless Soil Pipe 4x10 ft
10-foot length 4-inch hubless cast iron soil pipe conforming to ASTM A74 for above- and below-ground waste piping. Specifically classified in HTS 7303.00.00.30 for its soil drainage function with plain ends for mechanical couplings. Provides longevity over 100 years in service.
Cast Iron Vertical Soil Branch Pipe Y-fitting
Y-shaped cast iron soil pipe section for vertical branching in drainage stacks, 4-inch main to 3-inch branch. HTS 7303.00.00.30 covers this specialized soil pipe configuration essential for multi-fixture plumbing risers. Cast in single piece for leak-free joints.
Extra Heavy Cast Iron Soil Pipe 8-inch
8-inch extra heavy wall cast iron soil pipe for municipal building sewers and large commercial drainage. Classified HTS 7303.00.00.30 for extreme durability in high-abuse soil/waste applications. Thicker walls than standard service weight pipe.